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2026-05-22 - 02:51
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri May 22, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3772212264,7sleep20-21swapper/219:06:352
3820211638,7sleep10-21swapper/119:07:101
40172115105,7sleep30-21swapper/319:09:453
3728210798,6sleep00-21swapper/019:06:020
96262710,0sleep30-21swapper/319:40:163
168662600,0sleep30-21swapper/323:05:213
144242600,0sleep30-21swapper/319:45:133
224102570,0sleep20-21swapper/222:15:172
185972570,0sleep00-21swapper/021:15:160
50732560,0sleep30-21swapper/322:00:173
188632560,0sleep00-21swapper/023:10:150
171482560,0sleep30-21swapper/320:45:123
36022540,0sleep00-21swapper/021:00:190
421499280,27cyclictest0-21swapper/223:55:212
421099280,27cyclictest0-21swapper/120:30:581
421099270,26cyclictest0-21swapper/123:28:131
421099270,26cyclictest0-21swapper/119:51:551
420699270,26cyclictest0-21swapper/022:09:230
4210992623,2cyclictest0-21swapper/122:13:111
4210992623,2cyclictest0-21swapper/121:20:201
421099260,25cyclictest0-21swapper/123:13:271
421099260,25cyclictest0-21swapper/122:45:511
421099260,25cyclictest0-21swapper/121:11:171
421099260,25cyclictest0-21swapper/120:09:401
421099260,25cyclictest0-21swapper/119:26:221
421099260,25cyclictest0-21swapper/119:17:341
421099260,25cyclictest0-21swapper/119:12:461
421099260,25cyclictest0-21swapper/100:24:221
420699260,25cyclictest0-21swapper/022:43:300
4214992522,2cyclictest0-21swapper/221:47:562
421499250,24cyclictest0-21swapper/223:24:332
421099250,24cyclictest0-21swapper/123:33:571
421099250,24cyclictest0-21swapper/122:07:261
421099250,24cyclictest0-21swapper/100:38:071
421099250,24cyclictest0-21swapper/100:27:581
86422240,1sleep229-21rcuc/223:30:142
421499240,23cyclictest0-21swapper/220:23:552
421499240,23cyclictest0-21swapper/200:31:562
421099240,23cyclictest0-21swapper/122:31:291
421099240,23cyclictest0-21swapper/121:51:201
421099240,23cyclictest0-21swapper/121:44:201
4214992316,7cyclictest0-21swapper/219:29:522
421499231,3cyclictest0-21swapper/222:49:002
421499231,21cyclictest0-21swapper/223:03:242
421499231,21cyclictest0-21swapper/219:12:582
421099230,23cyclictest0-21swapper/123:16:001
421099230,23cyclictest0-21swapper/121:03:201
421099230,23cyclictest0-21swapper/119:49:031
421099230,22cyclictest0-21swapper/123:53:011
421099230,22cyclictest0-21swapper/123:47:511
421099230,22cyclictest0-21swapper/123:09:031
421099230,22cyclictest0-21swapper/122:21:211
421099230,22cyclictest0-21swapper/121:46:021
421099230,19cyclictest0-21swapper/122:55:271
4206992316,6cyclictest0-21swapper/000:25:220
114922317,4sleep30-21swapper/321:00:113
421499221,20cyclictest0-21swapper/221:58:572
421499220,3cyclictest0-21swapper/223:19:222
421499220,21cyclictest0-21swapper/222:35:512
421499220,20cyclictest0-21swapper/221:30:112
421499220,20cyclictest0-21swapper/221:30:112
421099220,3cyclictest0-21swapper/123:37:301
421099220,3cyclictest0-21swapper/121:27:261
421099220,21cyclictest0-21swapper/123:01:521
421099220,21cyclictest0-21swapper/122:42:261
421099220,21cyclictest0-21swapper/122:04:501
421099220,21cyclictest0-21swapper/121:31:501
421099220,21cyclictest0-21swapper/121:31:501
421099220,21cyclictest0-21swapper/121:17:231
421099220,21cyclictest0-21swapper/120:36:441
421099220,21cyclictest0-21swapper/120:24:101
4206992219,2cyclictest749-21snmpd20:53:100
4206992218,3cyclictest749-21snmpd20:10:120
4206992218,2cyclictest749-21snmpd23:00:120
420699220,21cyclictest0-21swapper/023:46:440
420699220,21cyclictest0-21swapper/022:22:060
114262220,0sleep30-21swapper/300:00:183
4214992119,1cyclictest749-21snmpd20:49:322
4214992118,1cyclictest18987-21sadc21:45:002
421499211,19cyclictest0-21swapper/219:50:542
421499211,18cyclictest0-21swapper/220:10:112
421499210,20cyclictest0-21swapper/223:51:452
421499210,20cyclictest0-21swapper/221:13:442
421499210,20cyclictest0-21swapper/220:40:142
421499210,18cyclictest280-21systemd-journal22:05:002
421099210,3cyclictest0-21swapper/100:05:551
421099210,20cyclictest0-21swapper/120:56:201
421099210,20cyclictest0-21swapper/120:25:161
421099210,20cyclictest0-21swapper/120:18:521
421099210,20cyclictest0-21swapper/120:01:481
421099210,20cyclictest0-21swapper/119:37:181
421099210,20cyclictest0-21swapper/119:34:461
421099210,20cyclictest0-21swapper/119:22:191
421099210,20cyclictest0-21swapper/100:12:331
420699217,9cyclictest0-21swapper/019:55:200
4206992119,1cyclictest749-21snmpd22:12:380
4206992118,2cyclictest749-21snmpd00:14:090
4214992018,1cyclictest749-21snmpd22:42:532
4214992018,1cyclictest749-21snmpd21:26:412
4214992018,1cyclictest749-21snmpd21:19:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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